The first quest you can find in the choco castle. He is called Prince servant. In his quests, you need to eat a specific amount scoops.
The next 2 Quest people are located at the obbies from the Halloween event ones called Dracula and the other is called Frankenstein. In Draculas quest you will need to get a specific amount of coins (Not the ones you sell.) Same with Frankenstein but with tokens.
The difficulty of the quests rank up depending on how many Quests you did (If you did 10 Frankenstein Quests and 5 Dracula quests the Frankenstein Quests will be harder.)
The Halloween portal is gone, so Frankenstein and Dracula have been moved into the main world.
Quests are almost useless as they barely give you any coins
There used to be a quest giver called Dark Giver, he was in the Underworld for 12 hours on December 7 (12:00 Midnight - 12:00 Noon EST) and his hardest quest was, "Eat 1qd Ice Cream scoops." The only Roblox player confirmed to do this was a person named SmashRoyale3, one of the best players in-game.
Each quest you do from the same person you got the previous quest from, the coin amount increases.